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Adjustable webbing bridge? How adjustable?

Thanks all! I'm making up an resc tech bridge w/ a friction hitch made of beal cordelette. I played around with my oplux tether hooking it up like a bridge, and it was way easier to adjust w/ a friction hitch (sterling 6 mil utility cord) , and slid smoother through a biner too. I should be trying it this weekend, and will let you know what I think.
 
For anyone who is reading this in the future: So far, I like this much better than the amsteel. I’m using a distal on one side, and a biner on the other. The resc tech is tied w a scaffold to the biner on one side and to the the bridge loop on the other, and the Beal friction cord is also tied to the bridge loop. I made a little para cord tender too, so I can adjust it one handed. By keeping the biner on one side and the hitch on the other, I found it avoids a long non sliding part of the bridge, by splitting the difference. I want my bridge detachable on one side so I can use it w my IWOM when it is really cold, hence the biner. Otherwise I’d skip the biner and scaffold directly to the loop on both sides. Also, I like the scaffold to the loop past the friction hitch rather than just a stopper. It creates another backup and it avoids a dangling section of rope. I do this on my lineman’s belt and tether too.
 
I am just getting into saddling so all this is experimental in my basement. I have made about everything I will be using. I made a flex style saddle.

I am using the same Sterling 6mm Accessory cord as Prusik hitch on my ropes and I also used it to make a tri-add style adjustable bridge for my saddle. To be safe I used 4 feet of the 6mm cord to make a loop using fisherman knots. I then prusik hitched this to my bridge loops dressing the knots as close to the bridge loops as possible. I then schwabisch hitched the remaining to my 8mm Sterling then tied stopper knots on the ends of the 8mm. You can do a little adjusting of the fisherman knots to tighten up the space between the two hitches but leaving a little space helps loosen the schwabish hitch after load has set it. Hanging from a pole in my basement and setting the load on this hitch I can take weight off it and brake the knot and adjust with one hand. Being able to adjust where the pull on the bridge loops is also GREAT for comfort.

I started out with 4 feet of the 8mm as the bridge and the stopper knots take up about 6 inches of rope. When assembled from one bridge loop to the other loop I have from 41 inches max length and can adjust down to 15". You can make your bridge rope as long as you want it but starting out with 4 feet is plenty from my experimenting.

By the way I called Sterling and they said that their 6mm Accessory cord was perfectly safe for using in this manner as it is rated to a little over 1800 lbs. If I had any worry about the 6mm Accessory cord I could use their 5.9 mm High Tenacity cord that is rated to a little over 4000 lbs.

It is supposed to warm up some today and I plan on getting out and trying my stuff at low level on a tree. I built a tree platform from a tree stand seat and a 11 3/4" by 6" platform that is attached to the top of one of my 20" Hawk climbing sticks. I am a DIY wild man.
 
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